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Finding the Fourth Proportional to 482,746.92, 666,319.90 and 301,349.56

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Solution

The fourth proportional to 482,746.92, 666,319.90 and 301,349.56 is: 415,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,746.92 : 666,319.90 = 301,349.56 : x
  2. Step 2: Convert to fraction form
    482,746.92/666,319.90 = 301,349.56/x
  3. Step 3: Cross multiply
    482,746.92x = 666,319.90 × 301,349.56
  4. Step 4: Simplify right side
    482,746.92x = 200,795,208,684.24
  5. Step 5: Solve for x
    x = 200,795,208,684.24/482,746.92
  6. Step 6: Final answer
    x = 415,943.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.